From f39f539858417048f11a39c7b6198688e9657bea Mon Sep 17 00:00:00 2001 From: Sona Kurazyan Date: Tue, 22 Feb 2022 09:03:19 +0100 Subject: Add numeric conversion methods to QLatin1String MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ChangeLog][QtCore][QLatin1String] Added numeric conversion methods. Task-number: QTBUG-98433 Change-Id: I414577ae715debe3d5ba9c6a160859aca790e017 Reviewed-by: Mårten Nordheim Reviewed-by: Thiago Macieira Reviewed-by: Marc Mutz --- src/corelib/text/qstring.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) (limited to 'src/corelib/text/qstring.cpp') diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp index 9b6fe88cf1..0375d68203 100644 --- a/src/corelib/text/qstring.cpp +++ b/src/corelib/text/qstring.cpp @@ -10130,6 +10130,62 @@ QString &QString::setRawData(const QChar *unicode, qsizetype size) equal to string \a s2; otherwise returns \c false. */ +/*! + \fn qlonglong QLatin1String::toLongLong(bool *ok, int base) const + \fn qulonglong QLatin1String::toULongLong(bool *ok, int base) const + \fn int QLatin1String::toInt(bool *ok, int base) const + \fn uint QLatin1String::toUInt(bool *ok, int base) const + \fn long QLatin1String::toLong(bool *ok, int base) const + \fn ulong QLatin1String::toULong(bool *ok, int base) const + \fn short QLatin1String::toShort(bool *ok, int base) const + \fn ushort QLatin1String::toUShort(bool *ok, int base) const + + \since 6.4 + + Returns this QLatin1String converted to a corresponding numeric value using + base \a base, which is ten by default. Bases 0 and 2 through 36 are supported, + using letters for digits beyond 9; A is ten, B is eleven and so on. + + If \a base is 0, the base is determined automatically using the following + rules: if the Latin-1 string begins with "0x", the rest of it is read as + hexadecimal (base 16); otherwise, if it begins with "0", the rest of it is + read as octal (base 8); otherwise it is read as decimal. + + Returns 0 if the conversion fails. + + If \a ok is not \nullptr, failure is reported by setting *\a{ok} + to \c false, and success by setting *\a{ok} to \c true. + +//! [latin1-numeric-conversion-note] + \note The conversion of the number is performed in the default C locale, + regardless of the user's locale. Use QLocale to perform locale-aware + conversions between numbers and strings. + + This function ignores leading and trailing spacing characters. +//! [latin1-numeric-conversion-note] +*/ + +/*! + \fn double QLatin1String::toDouble(bool *ok) const + \fn float QLatin1String::toFloat(bool *ok) const + \since 6.4 + + Returns this QLatin1String converted to a corresponding floating-point value. + + Returns an infinity if the conversion overflows or 0.0 if the + conversion fails for other reasons (e.g. underflow). + + If \a ok is not \nullptr, failure is reported by setting *\a{ok} + to \c false, and success by setting *\a{ok} to \c true. + + \warning The QLatin1String content may only contain valid numerical + characters which includes the plus/minus sign, the character e used in + scientific notation, and the decimal point. Including the unit or additional + characters leads to a conversion error. + + \include qstring.cpp latin1-numeric-conversion-note +*/ + #if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED) /*! \fn QDataStream &operator<<(QDataStream &stream, const QString &string) -- cgit v1.2.3